MELP vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional LPC vocoders , and add a jitter voicing state to overcome the tonal noise .
MELP声码器采用混合脉冲和噪声激励解决了经典LPC的嗡嗡声的问题;引入了抖动浊音状态以克服音调噪声;